package com.xiewz.repository;

import com.xiewz.pojo.Comment;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.data.jpa.repository.Modifying;
import org.springframework.data.jpa.repository.Query;
import org.springframework.transaction.annotation.Transactional;

public interface CommentRepository extends JpaRepository<Comment, Integer> {
    //根据评论id修改评论作者

    @Transactional
    @Modifying
    @Query(value = "update t_comment c set c.author = ?1 where  c.id=?2", nativeQuery = true)// nativeQuery = true或者在实体类加@Table

    public int updateComment(String author, Integer id);
}
